Understanding Essential Computer Concepts Microsoft Office 2007 – Illustrated Introductory, Premium Video Edition Understanding Essential Computer Concepts

Defining Computers A computer is an electronic device that: accepts input processes data stores data produces output Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Investigating Types of Computers The categories of computers are: Personal computers Desktop Notebook (Laptop) Tablet PC Hand-helds PDAs MP3 players Cell phones Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Investigating Types of Computers Personal computers are used for general computing tasks. Hand-held computers fit in the palm of your hand and run on batteries. Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Investigating Types of Computers Notebook computer also referred to as a laptop computer small lightweight portable Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Investigating Types of Computers PDAs personal digital assistants generally used to maintain an electronic appointment book, address book, calculator, and notepad Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Examining Computer Systems A computer system is made up of: Hardware—the physical components Software—the programs or lists of instructions Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Examining Computer Systems Architecture or configuration is the design of the computer. As in, what does the computer consist of? Specifications are the technical details about each component. As in, how big is the monitor? Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Examining Computer Systems Data The words, numbers, figures, sounds, and graphics that describe people, events, things, and ideas Processing Modifying data Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Examining Computer Systems The data you type into the computer is called input. The result of the computer processing your input is called output. Peripheral devices accomplish the input, output, and storage functions. Microsoft Office 2007-Illustrated Introductory, Premium Video Edition

Examining Computer Systems Microprocessor a silicon chip designed to manipulate data its speed is determined by: Clock speed Word size Processor type Microsoft Office 2007-Illustrated Introductory, Premium Video Edition